(a) A current flowing in one direction only; -- distinguished from alternating current. When steady and not pulsating a direct current is often called a continuous current. (b) A direct induced current, or momentary current of the same direction as the inducing current, produced by stopping or removing the latter; also, a similar current produced by removal of a magnet.
dynamo
definition, parts and function
One can find the definition of "direct current" from Google. If you don't wish to use the Internet, you can look it up in any dictionary. An example of a dictionary is Merriam-Webster.
A commutator is an electrical switch that periodically reverses the current direction in an electric motor or electrical generator. A commutator is a common feature of direct current rotating machines.
direct current.
Opposition to the flow of AC current produced by an inductor. Measured in Ohms and varies in direct proportion to frequency.
There is only one type of direct current and its 'frequency' is zero.
direct current
Alternating current. Direct current is used in batteries.
Alternating current is better than direct current for transmission.
The battery in an automobile furnishes direct current.
direct came first